Legal claims defining the scope of protection. Each claim is shown in both the original legal language and a plain English translation.
1. A method, performed by a radio node, for configuring a wireless device, the radio node and the wireless device operating in a wireless communications network, the method comprising: configuring the wireless device with a plurality of Physical Uplink Control Channel (PUCCH) resource units, wherein the plurality of PUCCH resource units is associated with a number of downlink (DL) aggregated carriers; wherein, for at least some aggregated carriers in the number of downlink aggregated carriers, each aggregated carrier is allocated a different PUCCH resource unit within the plurality of PUCCH resource units, wherein each PUCCH resource unit is identifiable by a respective indicator in a respective single DL scheduling assignment.
This invention relates to wireless communications, specifically to methods for configuring a wireless device in a network using multiple downlink carriers. The problem addressed is efficient resource allocation for uplink control signaling in carrier aggregation scenarios, where a wireless device must transmit control information (e.g., acknowledgments) across multiple downlink carriers. The solution involves a radio node configuring the wireless device with multiple Physical Uplink Control Channel (PUCCH) resource units, each associated with one or more downlink carriers. For at least some of the aggregated downlink carriers, each carrier is assigned a distinct PUCCH resource unit. These resources are identifiable via indicators in downlink scheduling assignments, allowing the wireless device to determine which PUCCH resource to use for control signaling. This approach optimizes uplink control channel usage by reducing conflicts and ensuring efficient resource allocation in multi-carrier environments. The method improves network efficiency by dynamically mapping downlink carriers to specific PUCCH resources, enhancing reliability and reducing signaling overhead. The invention is particularly useful in advanced wireless networks employing carrier aggregation to increase data rates and spectral efficiency.
2. The method of claim 1 , wherein: each aggregated carrier in the number of downlink aggregated carriers is allocated the plurality of PUCCH resource units as a group, wherein the plurality of PUCCH resource units is identifiable by a single indicator in a respective single DL scheduling assignment.
In wireless communication systems, particularly in Long-Term Evolution (LTE) or 5G New Radio (NR) networks, efficient uplink control channel (PUCCH) resource allocation is critical for managing feedback from user equipment (UE) to the base station. A key challenge is optimizing PUCCH resource allocation across multiple downlink (DL) aggregated carriers to reduce signaling overhead and improve spectral efficiency. Existing solutions often require individual PUCCH resource assignments for each carrier, leading to increased control signaling and complexity. This invention addresses the problem by grouping PUCCH resource units for each aggregated downlink carrier. Instead of assigning separate PUCCH resources for each carrier, a single indicator in a downlink scheduling assignment identifies a predefined group of PUCCH resource units allocated to a specific carrier. This approach reduces the number of control signals needed for PUCCH resource allocation, minimizing overhead and improving efficiency. The method ensures that the UE can identify the correct PUCCH resources for each carrier using a single indicator, simplifying the scheduling process and enhancing system performance. The solution is particularly useful in carrier aggregation scenarios where multiple downlink carriers are active, as it streamlines resource management and reduces signaling complexity.
3. The method of claim 1 : wherein the configuring comprises configuring the wireless device with a set of pluralities of PUCCH resource units, each of the pluralities of PUCCH resource units being identifiable by a respective indicator in a respective single DL scheduling assignment; further comprising selecting a plurality of PUCCH resource units out of the configured set of pluralities of PUCCH resource units for allocation to the wireless device; and further comprising indicating the selected plurality of PUCCH resource units to the wireless device in a DL scheduling assignment.
In wireless communication systems, efficient allocation and management of physical uplink control channel (PUCCH) resources are critical for supporting multiple wireless devices while minimizing interference and ensuring reliable control signaling. A method addresses the challenge of dynamically configuring and allocating PUCCH resources to wireless devices based on their specific needs and network conditions. The method involves configuring a wireless device with a predefined set of multiple PUCCH resource units, where each unit is identifiable by a distinct indicator within a downlink (DL) scheduling assignment. This allows the network to dynamically select and allocate a subset of these PUCCH resource units to the wireless device based on current requirements, such as traffic load or channel conditions. The selected PUCCH resource units are then communicated to the wireless device via a DL scheduling assignment, enabling the device to use the allocated resources for uplink control signaling. This approach enhances flexibility in resource allocation, reduces signaling overhead, and improves overall system efficiency by adapting PUCCH resource assignments to varying operational conditions. The method ensures that wireless devices can efficiently transmit control information while optimizing network resource utilization.
4. The method of claim 3 , wherein the indicating comprises sending the respective indicator to the wireless device for the selected plurality of PUCCH resource units, the indicator being comprised in a field of the respective single DL scheduling assignment.
This invention relates to wireless communication systems, specifically to methods for indicating physical uplink control channel (PUCCH) resource units to a wireless device. The problem addressed is the efficient allocation and signaling of PUCCH resources to reduce overhead and improve communication efficiency in wireless networks. The method involves selecting a plurality of PUCCH resource units for a wireless device and indicating these resources to the device. The indication is sent as part of a downlink (DL) scheduling assignment, where the indicator is included in a dedicated field within the scheduling assignment message. This allows the wireless device to identify the specific PUCCH resource units allocated for its uplink control information (UCI) transmission without requiring additional signaling. The method ensures that the wireless device can efficiently determine the assigned PUCCH resources, reducing signaling overhead and improving resource utilization in the wireless network. The approach is particularly useful in scenarios where multiple PUCCH resource units need to be dynamically allocated to a device based on its communication requirements.
5. The method of claim 4 , wherein the field is one of: a Transmission Control Protocol (TCP) field; a field comprising first and second sections, wherein the first section indicates an Uplink (UL) component carrier which carries the selected plurality of PUCCH resource units, and the second section indicates the PUCCH resource offset with respect to a first PUCCH resource unit within the UL component carrier; and a Downlink Control Information (DCI) field which indicates the selected plurality of PUCCH resource units together with a serving cell index information.
This invention relates to wireless communication systems, specifically methods for selecting and indicating Physical Uplink Control Channel (PUCCH) resource units in a carrier aggregation scenario. The problem addressed is efficiently signaling PUCCH resource assignments to a user equipment (UE) when multiple uplink component carriers are available, ensuring proper resource allocation and minimizing signaling overhead. The method involves selecting a plurality of PUCCH resource units from available uplink component carriers and encoding this selection in a field within a control message. The field can be a Transmission Control Protocol (TCP) field, a structured field with two sections, or a Downlink Control Information (DCI) field. In the structured field, the first section identifies the uplink component carrier carrying the selected PUCCH resource units, while the second section specifies the resource offset relative to the first PUCCH resource unit in that carrier. The DCI field variant combines the PUCCH resource unit selection with serving cell index information, allowing the UE to determine both the assigned resources and the associated cell. This approach ensures flexible and efficient PUCCH resource allocation across multiple component carriers, reducing signaling complexity while maintaining accurate resource mapping. The solution is particularly useful in advanced wireless systems where carrier aggregation is employed to enhance data rates and network capacity.
6. The method of claim 3 , wherein the selecting is based on at least one of: a number of aggregated carriers used for transmission between the radio node and the wireless device DL, Uplink (UL), or both; a type of carriers used for transmission between the radio node and the wireless device DL, UL, or both; a type of uplink information transmitted by the wireless device from: a Hybrid Automatic Repeat reQuest-ACKnowledgement (HARQ-ACK); a scheduling request (SR); and a periodic Channel State Information (CSI); and a duplex mode used in each of the carriers used for transmission out of: a Time Division Duplex mode and a Frequency Division Duplex mode.
This invention relates to wireless communication systems, specifically methods for selecting transmission parameters between a radio node and a wireless device. The problem addressed is optimizing communication efficiency and reliability in scenarios involving multiple carriers, different transmission types, and varying duplex modes. The method involves selecting transmission parameters based on one or more criteria. These criteria include the number of aggregated carriers used for downlink (DL) or uplink (UL) transmission, the type of carriers employed, the type of uplink information transmitted, and the duplex mode of each carrier. The uplink information types considered are Hybrid Automatic Repeat reQuest-ACKnowledgement (HARQ-ACK), scheduling requests (SR), and periodic Channel State Information (CSI). The duplex modes evaluated are Time Division Duplex (TDD) and Frequency Division Duplex (FDD). By analyzing these factors, the method determines optimal transmission configurations to enhance performance. For example, the selection may prioritize carriers with higher capacity or lower interference, adjust transmission power based on carrier type, or adapt to the duplex mode to minimize conflicts. This approach improves data throughput, reduces latency, and ensures reliable communication in dynamic wireless environments. The solution is particularly useful in advanced wireless networks where multiple carriers and diverse transmission requirements coexist.
7. A method, performed by a wireless device, for receiving a configuration from a radio node, the radio node and the wireless device operating in a wireless communications network, the method comprising: receiving a configuration from the radio node with a plurality of Physical Uplink Control Channel (PUCCH) resource units, wherein the plurality of PUCCH resource units are associated with a number of downlink aggregated carriers; wherein, for at least some aggregated carriers in the number of downlink aggregated carriers, each aggregated carrier is allocated a different PUCCH resource unit within the plurality of PUCCH resource units, wherein each PUCCH resource unit is identifiable by a respective indicator in a respective single DL scheduling assignment.
A wireless device in a wireless communications network receives a configuration from a radio node, where the configuration includes multiple Physical Uplink Control Channel (PUCCH) resource units. These PUCCH resource units are associated with a set of downlink aggregated carriers. For at least some of the aggregated carriers, each carrier is assigned a distinct PUCCH resource unit. Each PUCCH resource unit can be identified by a respective indicator in a single downlink (DL) scheduling assignment. This method allows the wireless device to efficiently manage uplink control signaling across multiple downlink carriers, reducing complexity and improving resource allocation in carrier aggregation scenarios. The configuration ensures that each downlink carrier has a dedicated PUCCH resource, enabling precise and independent control signaling for each carrier. This approach optimizes uplink control channel usage and enhances overall network performance by minimizing conflicts and improving scheduling flexibility. The system is particularly useful in scenarios where multiple downlink carriers are aggregated to increase data throughput and network efficiency.
8. The method of claim 7 , wherein: each aggregated carrier in the number of downlink aggregated carriers is allocated the plurality of PUCCH resource units as a group, wherein the plurality of PUCCH resource units is identifiable by a single indicator in a respective single DL scheduling assignment.
In wireless communication systems, particularly in 5G and beyond, efficient uplink control channel (PUCCH) resource allocation is critical for supporting multiple downlink (DL) aggregated carriers. The problem addressed is the complexity and overhead in managing PUCCH resources when multiple carriers are aggregated, as each carrier may require separate resource assignments, leading to increased signaling and reduced efficiency. This invention describes a method for allocating PUCCH resource units to downlink aggregated carriers in a wireless communication system. The method involves grouping multiple PUCCH resource units and assigning this group to each aggregated carrier. The group of PUCCH resource units is identifiable by a single indicator within a single downlink scheduling assignment, eliminating the need for individual resource assignments per carrier. This reduces signaling overhead and simplifies resource management. The method ensures that the PUCCH resources are efficiently utilized while maintaining low-latency communication. The approach is particularly useful in scenarios with high carrier aggregation, where traditional methods would require excessive signaling. The invention enhances system efficiency by minimizing control channel overhead and improving resource allocation flexibility.
9. The method of claim 7 : wherein the configuration from the radio node comprises a set of pluralities of PUCCH resource units, each of the pluralities of PUCCH resource units being identifiable by a respective indicator in a respective single DL scheduling assignment; and further comprising receiving an indication from the radio node with a selected plurality out of the configured set of pluralities of PUCCH resource units for allocation to the wireless device, in a DL scheduling assignment.
This invention relates to wireless communication systems, specifically to the allocation of Physical Uplink Control Channel (PUCCH) resources in a cellular network. The problem addressed is the efficient management of PUCCH resources to support multiple wireless devices while minimizing signaling overhead and ensuring reliable uplink control information transmission. The method involves configuring a wireless device with a set of multiple PUCCH resource units from a radio node. Each group of PUCCH resource units is identifiable by a distinct indicator within a single downlink (DL) scheduling assignment. The radio node then transmits an indication to the wireless device, selecting a specific group of PUCCH resource units from the pre-configured set for allocation. This selection is communicated in a DL scheduling assignment, allowing the wireless device to use the allocated resources for uplink control signaling. By pre-configuring multiple PUCCH resource groups and dynamically selecting one for allocation, the system reduces the need for frequent resource reconfiguration, improving efficiency and reducing signaling overhead. This approach is particularly useful in scenarios with high device density or dynamic traffic patterns, where flexible resource allocation is essential for maintaining network performance.
10. The method of claim 9 , wherein the receiving comprises receiving the respective indicator from the radio node for the selected plurality, the indicator being comprised in a field of the respective single DL scheduling assignment.
A method for wireless communication involves managing downlink (DL) scheduling assignments in a network where a radio node, such as a base station, transmits data to multiple user devices. The problem addressed is efficiently conveying scheduling information for multiple user devices in a single transmission to reduce overhead and improve resource utilization. The method includes receiving an indicator from the radio node, where the indicator is embedded within a field of a single downlink scheduling assignment. This indicator specifies a selected group of user devices for which the scheduling assignment applies, allowing the radio node to dynamically assign resources to multiple devices without transmitting separate assignments for each. The method ensures that the indicator is part of the scheduling assignment itself, minimizing signaling overhead and enhancing system efficiency. The radio node determines the selected group based on predefined criteria, such as device capabilities or traffic conditions, and transmits the indicator along with the scheduling assignment to inform the user devices of their allocated resources. This approach optimizes network performance by reducing control signaling while maintaining flexibility in resource allocation.
11. The method of claim 10 , wherein the field is one of: a Transmission Control Protocol (TCP) field; a field comprising first and second sections, wherein the first section indicates an Uplink (UL) component carrier which carries the selected plurality of PUCCH resource units, and the second section indicates the PUCCH resource offset with respect to the first PUCCH resource unit within the UL component carrier; and a Downlink Control Information (DCI) field which indicates the selected plurality of PUCCH resource units together with the serving cell index information.
This invention relates to wireless communication systems, specifically methods for selecting and indicating Physical Uplink Control Channel (PUCCH) resource units in a multi-carrier environment. The problem addressed is efficiently signaling PUCCH resource allocation to user equipment (UE) in scenarios where multiple component carriers are used, particularly in uplink (UL) transmissions. The method involves selecting a plurality of PUCCH resource units from available resources across one or more component carriers. The selection is based on predefined criteria, such as channel conditions or network load. Once selected, the resource units are indicated to the UE using a field in a control message. This field can be a Transmission Control Protocol (TCP) field, a structured field with two sections, or a Downlink Control Information (DCI) field. If the field is structured with two sections, the first section identifies the UL component carrier that carries the selected PUCCH resource units, while the second section specifies the resource offset relative to the first PUCCH resource unit within that carrier. Alternatively, the field may be a DCI field that conveys both the selected PUCCH resource units and the serving cell index, allowing the UE to determine the correct carrier and resources. This approach ensures efficient resource allocation and reduces signaling overhead in multi-carrier wireless networks.
12. The method of claim 9 , wherein the selected plurality has been selected by the radio node based on at least one of: a number of aggregated carriers used for transmission between the radio node and the wireless device DL, uplink (UL), or both; a type of carriers used for transmission between the radio node and the wireless device DL, UL, or both; a type of uplink information transmitted by the wireless device from: a Hybrid Automatic Repeat reQuest-ACKnowledgement (HARQ-ACK); a scheduling request (SR); and a periodic Channel State Information (CSI); and a duplex mode used in each of the carriers used for transmission out of: a Time Division Duplex mode and a Frequency Division Duplex mode.
A method for selecting a plurality of carriers in a wireless communication system involves determining the carriers used for downlink (DL) and uplink (UL) transmissions between a radio node and a wireless device. The selection is based on various criteria, including the number of aggregated carriers, the type of carriers, the type of uplink information transmitted by the wireless device, and the duplex mode of each carrier. The uplink information may include Hybrid Automatic Repeat reQuest-ACKnowledgement (HARQ-ACK), scheduling requests (SR), or periodic Channel State Information (CSI). The duplex mode may be either Time Division Duplex (TDD) or Frequency Division Duplex (FDD). The radio node evaluates these factors to optimize carrier selection for efficient communication. This method ensures proper handling of different transmission types and duplex configurations, improving overall system performance and resource utilization. The approach allows dynamic adaptation to varying network conditions and device capabilities, enhancing reliability and throughput in wireless networks.
13. The method of claim 10 , wherein each of the pluralities of PUCCH resource units is represented by a single index, each single index corresponding to the respective indicator.
This invention relates to wireless communication systems, specifically to the allocation and management of Physical Uplink Control Channel (PUCCH) resources in a cellular network. The problem addressed is the efficient and flexible assignment of PUCCH resource units to user equipment (UE) to support uplink control signaling, such as acknowledgments, channel state information, and scheduling requests, while minimizing signaling overhead and resource waste. The method involves grouping PUCCH resource units into multiple sets, where each set is associated with a specific indicator. Each set of PUCCH resource units is represented by a single index, and this index corresponds to the respective indicator. This indexing scheme allows the network to dynamically allocate PUCCH resources to UEs based on their control signaling needs, reducing the complexity of resource management and improving spectral efficiency. The indicators may be used to signal the allocation of PUCCH resources to UEs, enabling them to transmit control information on the assigned resources without requiring explicit resource grants for each transmission. By using a single index to represent each set of PUCCH resource units, the method simplifies the signaling process between the network and UEs, reducing the overhead associated with resource allocation. This approach is particularly useful in scenarios where multiple UEs need to transmit control information simultaneously, such as in massive Machine-Type Communication (mMTC) or Ultra-Reliable Low-Latency Communication (URLLC) scenarios. The method ensures that PUCCH resources are allocated efficiently, minimizing collisions and improving overall system performance.
14. A radio node configured to configure a wireless device, the radio node and the wireless device being configured to operate in a wireless communications network, the radio node comprising: a processing circuit; and memory containing instructions executable by the processing circuit whereby the radio node is operative to: configure the wireless device with a plurality of Physical Uplink Control Channel (PUCCH) resource units, wherein the plurality of PUCCH resource units is associated with a number of downlink aggregated carriers; wherein, for at least some aggregated carriers in the number of downlink aggregated carriers, each aggregated carrier is allocated a different PUCCH resource unit within the plurality of PUCCH resource units, wherein each PUCCH resource unit is identifiable by a respective indicator in a respective single DL scheduling assignment.
This invention relates to wireless communications, specifically improving the configuration and management of Physical Uplink Control Channel (PUCCH) resources in a multi-carrier network. The problem addressed is the efficient allocation and identification of PUCCH resources when a wireless device operates with multiple downlink aggregated carriers, ensuring proper uplink control signaling without excessive overhead or complexity. The radio node, part of a wireless communications network, includes a processing circuit and memory with executable instructions. The radio node configures a wireless device with multiple PUCCH resource units, each associated with a different downlink aggregated carrier. For at least some of the aggregated carriers, each carrier is assigned a distinct PUCCH resource unit. Each PUCCH resource unit is uniquely identifiable by a respective indicator in a single downlink scheduling assignment, allowing the wireless device to efficiently transmit uplink control information (e.g., acknowledgments, channel state reports) across multiple carriers without ambiguity. This approach optimizes resource utilization by ensuring that each downlink carrier has a dedicated PUCCH resource, reducing contention and improving reliability in uplink control signaling. The solution is particularly useful in carrier aggregation scenarios where multiple downlink carriers must be managed efficiently.
15. The radio node of claim 14 , wherein: each aggregated carrier in the number of downlink aggregated carriers is configured to be allocated the plurality of PUCCH resource units as a group, wherein the plurality of PUCCH resource units is identifiable by a single indicator in a respective single DL scheduling assignment.
This invention relates to wireless communication systems, specifically improving the allocation and management of physical uplink control channel (PUCCH) resources in carrier aggregation scenarios. The problem addressed is the inefficiency in managing PUCCH resources across multiple aggregated downlink carriers, which can lead to increased signaling overhead and complexity in scheduling. The invention describes a radio node, such as a base station or user equipment, configured to handle downlink aggregated carriers in a wireless communication system. Each aggregated carrier in the set of downlink carriers is assigned a group of PUCCH resource units. These resource units are collectively identifiable by a single indicator within a downlink scheduling assignment, rather than requiring individual indicators for each resource unit. This grouping reduces the signaling overhead by allowing the radio node to manage multiple PUCCH resources as a unified block, simplifying the scheduling process and improving efficiency. The radio node may also include a transmitter and receiver for communicating with other nodes in the network, as well as processing circuitry to handle the allocation and scheduling of the PUCCH resources. The invention ensures that the PUCCH resource units are dynamically allocated based on the needs of the downlink carriers, optimizing resource utilization and reducing the complexity of uplink control signaling. This approach is particularly useful in advanced wireless systems where multiple carriers are aggregated to enhance data rates and system capacity.
16. The radio node of claim 14 , wherein the radio node is configured to: configure the wireless device with a set of pluralities of PUCCH resource units, each of the pluralities of PUCCH resource units being identifiable by a respective indicator in a respective single DL scheduling assignment; select a plurality out of the configured set of pluralities of PUCCH resource units for allocation to the wireless device; and indicate the selected plurality of PUCCH resource units to the wireless device in a DL scheduling assignment.
A radio node in a wireless communication system dynamically allocates physical uplink control channel (PUCCH) resources to a wireless device. The system addresses the challenge of efficiently managing uplink control signaling in scenarios with varying traffic demands and device capabilities. The radio node configures the wireless device with multiple sets of PUCCH resource units, where each set is identifiable by a distinct indicator in a downlink (DL) scheduling assignment. Each set contains multiple PUCCH resource units, allowing flexible allocation based on the device's needs. The radio node selects a subset of these configured sets for allocation to the wireless device and communicates the selected sets via a DL scheduling assignment. This approach enables dynamic resource allocation, improving spectral efficiency and reducing signaling overhead by avoiding the need for individual resource assignments. The solution is particularly useful in systems with diverse uplink control requirements, such as those supporting multiple services with different quality-of-service (QoS) needs. The radio node's ability to pre-configure and dynamically select PUCCH resource sets optimizes resource utilization while maintaining low-latency communication.
17. A wireless device configured to receive a configuration from a radio node, the radio node and the wireless device being configured to operate in a wireless communications network, the wireless device comprising a processing circuit; and memory containing instructions executable by the processing circuit whereby the wireless device is operative to: receive a configuration from the radio node with a plurality of Physical Uplink Control Channel (PUCCH) resource units, wherein the plurality of PUCCH resource units is associated with a number of downlink aggregated carriers; wherein, for at least some aggregated carriers in the number of downlink aggregated carriers, each aggregated carrier is allocated a different PUCCH resource unit within the plurality of PUCCH resource units, wherein each PUCCH resource unit is identifiable by a respective indicator in a respective single DL scheduling assignment.
This invention relates to wireless communication systems, specifically improving the handling of uplink control signaling in networks using carrier aggregation. The problem addressed is the efficient allocation and management of Physical Uplink Control Channel (PUCCH) resources when multiple downlink carriers are aggregated in a wireless device. In such systems, the device must transmit control information (e.g., acknowledgments) for each downlink carrier, but traditional methods may lead to resource conflicts or inefficiencies. The solution involves a wireless device configured to receive a configuration from a radio node (e.g., a base station) that defines multiple PUCCH resource units. These units are associated with a set of downlink aggregated carriers. For at least some of the aggregated carriers, each carrier is assigned a distinct PUCCH resource unit. Each resource unit is identifiable by a unique indicator within a single downlink scheduling assignment, allowing the device to efficiently map control information to the correct uplink resource. This approach optimizes resource utilization and reduces signaling overhead by avoiding redundant assignments while ensuring proper handling of control signaling across multiple carriers. The wireless device includes a processing circuit and memory with executable instructions to implement this configuration and resource allocation logic.
18. The wireless device of claim 17 , wherein: each aggregated carrier in the number of downlink aggregated carriers is configured to be allocated the plurality of PUCCH resource units as a group, wherein the plurality of PUCCH resource units is identifiable by a single indicator in a respective single DL scheduling assignment.
This invention relates to wireless communication systems, specifically improving the efficiency of physical uplink control channel (PUCCH) resource allocation in carrier aggregation scenarios. The problem addressed is the complexity and overhead associated with managing PUCCH resources across multiple aggregated downlink carriers, particularly when each carrier may require separate uplink control signaling. The invention describes a wireless device configured to handle downlink aggregated carriers, where each carrier is allocated a group of PUCCH resource units. These resource units are identifiable by a single indicator within a downlink scheduling assignment, reducing the signaling overhead compared to managing each carrier's PUCCH resources individually. The device includes a transceiver for wireless communication and a processor to process downlink control information, including scheduling assignments that specify the single indicator for the PUCCH resource group. The processor also manages uplink control signaling, such as acknowledgments or channel state feedback, using the allocated PUCCH resources. The invention optimizes PUCCH resource allocation by grouping resources per carrier, allowing the network to signal the group with a single indicator rather than individual assignments. This reduces control signaling overhead and simplifies resource management in carrier aggregation environments. The wireless device may further include memory to store configuration parameters and a power control module to adjust transmission power based on the allocated resources. The solution is applicable to 5G and beyond networks where efficient control channel management is critical for high data rates and low latency.
19. The wireless device of claim 17 : wherein the configuration from the radio node comprises a set of pluralities of PUCCH resource units, each of the pluralities of PUCCH resource units being identifiable by a respective indicator in a respective single DL scheduling assignment; and wherein the wireless device is further configured to receive an indication from the radio node with a selected plurality out of the configured set of pluralities of PUCCH resource units for allocation to the wireless device, in a DL scheduling assignment.
A wireless communication system involves managing physical uplink control channel (PUCCH) resources for efficient uplink control signaling. The problem addressed is the need for flexible and dynamic allocation of PUCCH resources to multiple wireless devices to optimize spectrum usage and reduce signaling overhead. Existing solutions may lack efficient mechanisms for configuring and selecting PUCCH resources dynamically based on network conditions and device requirements. The invention provides a wireless device configured to receive a configuration from a radio node, where the configuration includes a set of multiple PUCCH resource units. Each set of PUCCH resource units is identifiable by a respective indicator in a downlink (DL) scheduling assignment. The wireless device is further configured to receive an indication from the radio node, selecting a specific plurality of PUCCH resource units from the configured set for allocation to the wireless device. This selection is communicated in a DL scheduling assignment, allowing dynamic and efficient resource allocation. The wireless device then uses the allocated PUCCH resources for uplink control signaling, such as acknowledgments or channel state feedback. This approach enables flexible resource management, reducing signaling overhead and improving spectral efficiency in wireless networks.
20. The wireless device of claim 19 , wherein the wireless device is configured to receive the respective indicator from the radio node for the selected plurality of PUCCH resource units, the indicator being comprised in a field of the respective single DL scheduling assignment.
A wireless device is configured to receive an indicator from a radio node, where the indicator specifies a selected plurality of physical uplink control channel (PUCCH) resource units. The indicator is included in a field of a downlink (DL) scheduling assignment message. The wireless device uses this indicator to determine which PUCCH resource units to use for uplink control information transmission. The PUCCH resource units are part of a set of available PUCCH resources, and the selection is dynamically adjusted based on the indicator received in the DL scheduling assignment. This allows efficient allocation of PUCCH resources to multiple wireless devices in a wireless communication system, reducing collisions and improving uplink control channel utilization. The wireless device may also be configured to transmit uplink control information using the selected PUCCH resource units, ensuring proper synchronization and resource management in the network. The system supports dynamic resource allocation to adapt to varying traffic conditions and device requirements, enhancing overall network performance.
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January 14, 2020
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